Looking for logging into the Vagrant Ssh Auth Private Key Promt site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Vagrant Ssh Auth Private Key Promt site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/22922891/vagrant-ssh-authentication-failure
https://github.com/hashicorp/vagrant/issues/5186
https://github.com/hashicorp/vagrant/issues/10045
https://www.vagrantup.com/docs/vagrantfile/ssh_settings.html
https://computingforgeeks.com/how-to-fix-vagrant-ssh-authentication-failure-after-packaging-vagrant-box/
http://perfspy.blogspot.com/2017/08/vagrant-ssh-prompts-for-password.html
https://tech.osteel.me/posts/2015/01/25/how-to-use-vagrant-on-windows.html
https://www.phase2technology.com/blog/running-ssh-agent-vagrant
https://www.digitalocean.com/community/questions/setup-ssh-keys-but-server-still-prompts-for-password
https://www.sitepoint.com/getting-started-vagrant-windows/
https://askubuntu.com/questions/832137/ubuntu-xenial64-box-password
https://developer.conjur.net/tutorials/ssh/conjur-ssh.html
https://blog.jetbrains.com/pycharm/2017/08/ssh-agent-simplify-ssh-keys/